- fail: msg="The variable 'bar' is empty" when: bar|length == 0 - shell: echo "The variable 'foo' is not empty: '{{ foo }}'" when: foo|length > 0 Check if Ansible variableis definedandnot empty: tasks: - shell: echo "The variable 'foo' is defined and not empty" when: ...
第一种方法是使用"when"关键字和"not"判断变量是否为空。当变量为空时,可以使用"not variable"的形式来判断。下面是一个示例: ``` - name: 判断变量是否为空 hosts: test vars: var1: "" var2: "ansible" tasks: - name: 当变量 var1 为空时,执行某个任务 debug: msg: "var1 is empty" when: ...
- hosts: web tasks: - name: install httpd server yum: name=httpd state=present - name: service httpd server service: name=httpd state=started enabled=yes - name: check httpd state shell: ps aux|grep httpd register: httpd_status - name: output httpd_status variable debug: msg: "{{httpd...
10.0.0.133 | FAILED | rc=-1 >> Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host's fingerprint to your known_hosts file to manage this host. 10.0.0.132 | CHANGED | rc=0 >> root 回到...
[WARNING]: Consider using the file module with state=absent rather than running'rm'. If you need to usecommandbecause file is insufficient you can add'warn: false'to thiscommandtask orset'command_warnings=False'inansible.cfg to get rid of this message. ...
The default is 'replace' but # this can also be set to 'merge'. #hash_behaviour = replace #ansible 主机变量重复处理方式 # by default, variables from roles will be visible in the global variable # scope. To prevent this, the following option can be enabled, and only # tasks and handle...
The location of the backup is returned in the `backup_file' variable by this module. cron_file: # If specified, uses this file instead individual user's crontab. If this is a relative path, it is interpreted with respect to `/etc/cron.d'. If it is absolute, it will typically : 1...
when: checkdir.stdout == "" Output: If the folder is not empty, then it will skip the task. Example #4 Check if the folder exists with the multiple when conditions. This example will check if the mentioned directory exists on the windows server using the registered variable output. If th...
Variable: ANSIBLE_ANY_ERRORS_FATAL BECOME_ALLOW_SAME_USER Description: When False``(default), Ansible will skip using become if the remote user is the same as the become user, as this is normally a redundant operation. In other words root sudo to root. If ``True, this forces Ansibl...
# This variable is set to True by default for backwards compatibility. It # will be changed to a default of 'False' in a future release. # ansible_facts. # inject_facts_as_vars = True # additional paths to search for roles in, colon separated ...